Arista Networks, Inc. — Director's Dealing 2021

Mar 3, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Arista Networks, Inc. (ANET)
CIK: 0001596532
Period of Report: 2021-03-01

Reporting Person: Taxay Marc (SVP and General Counsel)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-03-01	Common Stock	M	167	$68.34	Acquired	1493	Direct
2021-03-01	Common Stock	M	167	$64.46	Acquired	1660	Direct
2021-03-01	Common Stock	M	167	$56.24	Acquired	1827	Direct
2021-03-01	Common Stock	M	250	$65.01	Acquired	2077	Direct
2021-03-01	Common Stock	S	851	$282.5411	Disposed	1226	Direct
2021-03-01	Common Stock	S	100	$283.66	Disposed	1126	Direct
2021-03-01	Common Stock	S	200	$284.82	Disposed	926	Direct
2021-03-01	Common Stock	S	200	$286.115	Disposed	726	Direct
2021-03-01	Common Stock	S	626	$287.7602	Disposed	100	Direct
2021-03-01	Common Stock	S	100	$288.9	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-03-01	Non-Qualified Stock Option (right to buy)	$56.24	M	167	Disposed	2026-02-11	Common Stock (167)	Direct
2021-03-01	Non-Qualified Stock Option (right to buy)	$64.46	M	167	Disposed	2025-09-10	Common Stock (167)	Direct
2021-03-01	Non-Qualified Stock Option (right to buy)	$65.01	M	250	Disposed	2026-04-07	Common Stock (250)	Direct
2021-03-01	Non-Qualified Stock Option (right to buy)	$68.34	M	167	Disposed	2024-12-15	Common Stock (167)	Direct

Footnotes

F1: The exercise and sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on September 14, 2020.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $282.50 to $282.85, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $284.80 to $284.84, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F4: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $286.05 to $286.18, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $287.51 to $288.21, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6: 1/60th of the 10,000 shares subject to the option vested and became exercisable on April 1, 2017 and 1/60th of the shares subject to the option shall vest monthly thereafter.

F7: 1/5th of the 10,000 shares subject to the option vested and became exercisable on December 1, 2017 and 1/60th of the shares subject to the option shall vest monthly thereafter.

F8: 1/60th of the 15,000 shares subject to the option vested and became exercisable on April 28, 2016 and 1/60th of the shares subject to the option shall vest monthly thereafter.

F9: 1/5th of the 10,000 shares subject to the option vested and became exercisable on December 1, 2017 and 1/60th of the shares subject to the option shall vest monthly thereafter.